14009431 has 8 divisors (see below), whose sum is σ = 14365440. Its totient is φ = 13655928.

The previous prime is 14009417. The next prime is 14009447. The reversal of 14009431 is 13490041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14009431 is a prime.

It is a super-2 number, since 2×14009431² = 392528313887522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14009731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15880 + ... + 16738.

It is an arithmetic number, because the mean of its divisors is an integer number (1795680).

Almost surely, 2^14009431 is an apocalyptic number.

14009431 is a deficient number, since it is larger than the sum of its proper divisors (356009).

14009431 is an equidigital number, since it uses as much as digits as its factorization.

14009431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14009431 is about 3742.9174449886. The cubic root of 14009431 is about 241.0683334404.

Adding to 14009431 its reverse (13490041), we get a palindrome (27499472).

The spelling of 14009431 in words is "fourteen million, nine thousand, four hundred thirty-one".